/* ==========================================================================
   AirCreative Website — Clean, Modern, Purpose-Built Editorial & Broadcast Design
   No cheesy AI glows, no neon gradients, no over-the-top tech gimmickry.
   Crisp typography, solid layout discipline, honest high-contrast hierarchy.
   ========================================================================== */

:root {
  /* Slate & Navy Industrial Dark Palette */
  --bg-page: #0d121c;
  --bg-surface: #141b27;
  --bg-card: #192231;
  --bg-card-subtle: #1e283a;
  
  /* Precision Borders */
  --border-light: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-blue: #2563eb;

  /* Typography */
  --text-white: #ffffff;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  /* AirCreative Logo Blue Palette (#2563eb) */
  --blue-brand: #2563eb;
  --blue-brand-hover: #1d4ed8;
  --blue-brand-light: #93c5fd;
  --blue-brand-pale: #bfdbfe;
  --blue-brand-subtle: rgba(37, 99, 235, 0.12);
  --blue-brand-border: rgba(37, 99, 235, 0.35);

  --primary-color: var(--blue-brand);
  --primary-hover: var(--blue-brand-hover);
  --primary-light: var(--blue-brand-light);

  --secondary-color: var(--blue-brand);
  --secondary-hover: var(--blue-brand-hover);
  --secondary-light: var(--blue-brand-light);
  --secondary-subtle: var(--blue-brand-subtle);
  --secondary-border: var(--blue-brand-border);

  /* Fallback aliases redirected to blue */
  --border-green: var(--blue-brand);
  --green-spot: var(--blue-brand);
  --green-hover: var(--blue-brand-hover);

  /* Corner Radii - Solid & Professional, not bubble pill shapes */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* Shadows - Natural and grounded */
  --shadow-subtle: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-box: 0 10px 28px rgba(0, 0, 0, 0.5);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  background-color: var(--bg-page);
  color-scheme: dark;
}

body {
  margin: 0;
  background-color: var(--bg-page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
}

:focus-visible {
  outline: 2px solid var(--blue-brand);
  outline-offset: 3px;
}

h1, h2, h3, h4, p, figure {
  margin: 0;
}

h1, h2, h3, h4 {
  color: var(--text-white);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.18;
  text-wrap: balance;
}

h1 {
  font-size: clamp(34px, 4.2vw, 56px);
  letter-spacing: -0.035em;
}

h2 {
  font-size: clamp(26px, 3vw, 38px);
}

h3 {
  font-size: 20px;
}

p {
  color: var(--text-secondary);
}

em {
  font-style: normal;
  color: var(--blue-brand-light);
  font-weight: 700;
}

.wrap, .section, .seo-content, .changelog-wrap {
  width: min(1140px, calc(100% - 48px));
  margin-inline: auto;
}

.section {
  padding-block: 84px;
}

/* Header & Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 74px;
  padding: 14px max(24px, calc((100% - 1140px) / 2));
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-lockup img {
  width: 156px;
  height: auto;
}

.nav nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  font-weight: 500;
}

.nav nav > a {
  color: var(--text-secondary);
  padding: 6px 0;
}

.nav nav > a:hover {
  color: var(--text-white);
}

.menu {
  display: none;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  color: var(--text-white);
  font-size: 20px;
  cursor: pointer;
}

/* Clean, Solid Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  background: var(--blue-brand);
  color: #ffffff;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: 1px solid var(--blue-brand);
  transition: all 0.15s ease;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.28);
}

.btn:hover {
  background: var(--blue-brand-hover);
  border-color: var(--blue-brand-hover);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.45);
}

.btn.primary,
.btn.blue,
.btn.secondary,
.btn.amber,
.btn.green,
.btn.lime {
  background: var(--blue-brand);
  border-color: var(--blue-brand);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.28);
}

.btn.primary:hover,
.btn.blue:hover,
.btn.secondary:hover,
.btn.amber:hover,
.btn.green:hover,
.btn.lime:hover {
  background: var(--blue-brand-hover);
  border-color: var(--blue-brand-hover);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.45);
}

.btn.outline,
.btn.secondary-outline {
  background: transparent;
  border-color: var(--blue-brand-border);
  color: var(--blue-brand-light);
  box-shadow: none;
}

.btn.outline:hover,
.btn.secondary-outline:hover {
  background: var(--blue-brand);
  border-color: var(--blue-brand);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn.ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--text-primary);
  box-shadow: none;
}

.btn.ghost:hover {
  background: var(--bg-card);
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-white);
}

.btn.mini {
  min-height: 38px;
  padding: 6px 16px;
  font-size: 13px;
}

.actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.actions > a:not(.btn) {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
}

.actions > a:not(.btn):hover {
  color: var(--text-white);
  text-decoration: underline;
}

/* Eyebrows & Section Headers */
.eyebrow,
.section > small,
.section > div > small,
.tour-copy > small,
.tour-intro > small,
.seo-cta > small,
.changelog-cta > small {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--blue-brand-light);
  margin-bottom: 12px;
}

.home-hero {
  text-align: center;
  padding: 72px 20px 48px;
}

.hero-tag {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--blue-brand-border);
  border-radius: var(--radius-sm);
  background: var(--blue-brand-subtle);
  color: var(--blue-brand-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.home-hero h1 {
  max-width: 820px;
  margin: 0 auto 20px;
}

.home-hero h1 span {
  color: var(--text-white);
  border-bottom: 3px solid var(--blue-brand);
  padding-bottom: 2px;
}

.home-hero p {
  max-width: 640px;
  margin: 0 auto;
  font-size: 18px;
  line-height: 1.6;
}

.home-hero .actions {
  justify-content: center;
  margin-top: 30px;
}

.home-hero .trial-note {
  font-size: 13px;
  margin-top: 16px;
  color: var(--text-muted);
}

/* Interactive Product Preview */
.hero-product {
  padding-bottom: 64px;
}

.preview-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.preview-tab {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.preview-tab:hover {
  color: var(--text-white);
  border-color: var(--border-strong);
}

.preview-tab.active {
  background: var(--bg-card);
  color: var(--text-white);
  border-color: var(--blue-brand);
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(37, 99, 235, 0.25);
}

.screen-shell {
  padding: 8px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  box-shadow: var(--shadow-box);
  overflow: hidden;
}

.screen-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px 10px;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 8px;
}

.screen-bar strong {
  color: var(--text-primary);
  font-weight: 600;
}

.status-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--blue-brand-subtle);
  border: 1px solid var(--blue-brand-border);
  color: var(--blue-brand-light);
  font-size: 11px;
  font-weight: 600;
}

.screen-shell img {
  width: 100%;
  border-radius: 4px;
}

.screen-note {
  text-align: center;
  font-size: 13px;
  margin-top: 14px;
  color: var(--text-muted);
}

/* Team Strip */
.team-strip {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding: 18px 20px;
  background: var(--bg-surface);
  border-block: 1px solid var(--border-light);
  font-size: 14px;
  color: var(--text-secondary);
}

.team-strip b {
  color: var(--text-white);
  font-weight: 600;
}

.team-strip span {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
}

/* Benefits Grid */
.section-heading {
  max-width: 680px;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin-top: 8px;
}

.section-heading p {
  margin-top: 14px;
  font-size: 17px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.benefit-card {
  padding: 28px 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}

.benefit-card:hover {
  border-color: var(--border-strong);
}

.benefit-card .card-icon {
  font-size: 20px;
  margin-bottom: 18px;
  display: inline-block;
}

.benefit-card h3 {
  margin-bottom: 10px;
}

.benefit-card p {
  font-size: 15px;
  line-height: 1.6;
}

.benefit-card a {
  display: inline-block;
  margin-top: 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-brand-light);
}

.benefit-card a:hover {
  text-decoration: underline;
}

/* Process & Workflow Section */
.process-section {
  background: var(--bg-surface);
  border-block: 1px solid var(--border-light);
  padding: 84px 0;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-top: 36px;
  padding: 0;
  list-style: none;
}

.process-grid li {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 18px 14px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.process-grid li:hover {
  border-color: var(--border-strong);
}

.process-grid li.active {
  border-color: var(--blue-brand);
  background: var(--bg-card-subtle);
  box-shadow: 0 0 0 1px var(--blue-brand);
}

.process-grid b {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-brand-light);
  margin-bottom: 8px;
}

.process-grid strong {
  display: block;
  font-size: 16px;
  color: var(--text-white);
  margin-bottom: 6px;
}

.process-grid p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Workflow Stage Detail Panel - Grounded Station UI */
.workflow-detail-panel {
  margin-top: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 28px;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
}

.workflow-detail-content h3 {
  font-size: 22px;
  margin-bottom: 10px;
}

.workflow-detail-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.workflow-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}

.workflow-detail-tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.workflow-detail-visual {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 20px;
  font-size: 14px;
}

.workflow-code-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 10px;
  margin-bottom: 14px;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
}

.workflow-code-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.workflow-code-label {
  color: var(--text-muted);
}

.workflow-code-val {
  color: var(--text-white);
  font-weight: 600;
}

/* Split Section */
.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}

.split-section h2 {
  margin: 10px 0 16px;
}

.split-section p {
  font-size: 16px;
  line-height: 1.65;
}

/* Clean Comparison Matrix */
.comparison-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
}

.comparison {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  text-align: left;
}

.comparison th, .comparison td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}

.comparison th {
  background: var(--bg-card);
  color: var(--text-white);
  font-weight: 600;
  font-size: 14px;
}

.comparison tr:last-child td {
  border-bottom: none;
}

/* Grounded Transparent Pricing */
.pricing {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.pricing h2 {
  margin: 10px 0 16px;
}

.pricing ul {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 12px;
}

.pricing li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--text-primary);
}

.pricing li::before {
  content: "✓";
  color: var(--blue-brand-light);
  font-weight: 700;
}

.pricing aside {
  padding: 36px 32px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
}

.offer-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-brand-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 14px;
}

.price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 16px;
}

.price strong {
  font-size: 54px;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1;
}

.price span {
  font-size: 14px;
  color: var(--text-muted);
}

.pricing aside h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.pricing aside p {
  font-size: 14px;
}

.pricing aside .btn {
  display: flex;
  width: 100%;
  margin-top: 24px;
}

.pricing aside > small {
  display: block;
  text-align: center;
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 12px;
}

/* FAQ */
.faq {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 64px;
}

.faq h2 {
  margin-top: 10px;
}

details {
  border-bottom: 1px solid var(--border-light);
  padding: 18px 0;
}

summary {
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-white);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  font-size: 18px;
  color: var(--blue-brand-light);
  font-weight: 600;
}

details[open] summary::after {
  content: "−";
}

details p {
  font-size: 14px;
  margin-top: 12px;
  line-height: 1.6;
}

.faq details:first-child {
  border-top: 1px solid var(--border-light);
}

/* CTA & Form */
.cta {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: 80px 0;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.cta h2 {
  margin: 10px 0 16px;
}

.cta form {
  display: grid;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 28px;
}

.cta form > small:first-child {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-brand-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cta label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}

.cta input, .cta textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-page);
  color: var(--text-white);
}

.cta input:focus, .cta textarea:focus {
  outline: none;
  border-color: var(--blue-brand);
}

.cta textarea {
  min-height: 80px;
  resize: vertical;
}

.cta form > small:last-child {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

.trap {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  left: -9999px;
  overflow: hidden;
}

.flash {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.flash.success {
  background: var(--blue-brand-subtle);
  border: 1px solid var(--blue-brand-border);
  color: var(--blue-brand-light);
}

.flash.error {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Footer */
.site-footer {
  background: #090d14;
  border-top: 1px solid var(--border-light);
  padding: 64px 0 28px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 64px;
}

.footer-brand img {
  width: 160px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 300px;
  margin-top: 16px;
  line-height: 1.5;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.footer-columns div {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-columns strong {
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--text-white);
  font-weight: 600;
}

.footer-columns a {
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-columns a:hover {
  color: var(--text-white);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  margin-top: 48px;
  padding-top: 24px;
  color: var(--text-muted);
  font-size: 12px;
}

/* Interior Pages (Tour, Changelog, Help Centre) */
.tour-hero, .changelog-hero, .seo-hero {
  text-align: center;
  padding: 64px 20px 48px;
}

.tour-hero h1, .changelog-hero h1, .seo-hero h1 {
  max-width: 780px;
  margin: 14px auto 16px;
}

.tour-hero p, .changelog-hero p, .seo-hero p {
  max-width: 640px;
  margin: auto;
  font-size: 17px;
}

.tour-hero .actions {
  justify-content: center;
}

.tour-intro {
  text-align: center;
}

.tour-intro h2 {
  max-width: 720px;
  margin: 10px auto 14px;
}

.tour-intro p {
  max-width: 640px;
  margin: auto;
}

.tour-step {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 56px;
  align-items: center;
  border-top: 1px solid var(--border-light);
}

.tour-step.reverse .tour-copy {
  order: 2;
}

.tour-copy > b {
  font-size: 12px;
  font-weight: 700;
  color: var(--blue-brand-light);
  display: block;
  margin-bottom: 8px;
}

.tour-copy h2 {
  margin: 8px 0 14px;
}

.tour-copy p {
  font-size: 15px;
  line-height: 1.6;
}

.tour-copy ul {
  font-size: 14px;
  color: var(--text-secondary);
  padding-left: 18px;
  margin-top: 14px;
}

.tour-copy li {
  margin: 8px 0;
}

.browser-frame {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  padding: 8px;
  border-radius: var(--radius-md);
}

.browser-frame img {
  width: 100%;
  border-radius: 4px;
}

figcaption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

.mobile-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.mobile-band h2 {
  margin: 10px 0 14px;
}

.phone-row {
  display: flex;
  gap: 14px;
  justify-content: center;
}

.phone-row img {
  width: calc((100% - 28px) / 3);
  border: 3px solid #222e42;
  border-radius: 14px;
}

/* Changelog */
.proof {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 16px;
  background: var(--bg-surface);
  border-block: 1px solid var(--border-light);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.proof span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.proof span::before {
  content: "•";
  color: var(--blue-brand-light);
}

.release-current {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  background: var(--bg-card);
  padding: 20px 24px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  text-align: left;
}

.release-current span {
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--blue-brand-light);
  background: var(--blue-brand-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.release-current strong {
  font-size: 18px;
  color: var(--text-white);
}

.release-current small {
  flex-basis: 100%;
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

.changelog-wrap {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding-block: 56px;
}

.changelog-wrap aside {
  position: sticky;
  top: 96px;
  align-self: start;
}

.changelog-wrap aside h2 {
  font-size: 24px;
  margin: 8px 0;
}

.changelog-wrap aside nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
}

.changelog-wrap aside nav a {
  font-size: 12px;
  font-weight: 500;
  padding: 4px 8px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
}

.release-list {
  display: grid;
  gap: 24px;
}

.release-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
}

.release-card.latest {
  border-color: var(--border-strong);
  border-left: 3px solid var(--blue-brand);
}

.release-card header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.release-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue-brand-light);
  text-transform: uppercase;
}

.release-card h2 {
  font-size: 26px;
  margin: 6px 0;
}

.release-summary {
  margin: 16px 0;
  font-size: 15px;
  color: var(--text-primary);
}

.release-card section {
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
  margin-top: 16px;
}

.release-card section h3 {
  font-size: 16px;
}

.release-card ul {
  padding-left: 18px;
  margin-top: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}

.tour-cta, .changelog-cta {
  text-align: center;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  padding: 72px 20px;
}

.tour-cta h2, .changelog-cta h2 {
  max-width: 680px;
  margin: 10px auto 14px;
}

.tour-cta p, .changelog-cta p {
  max-width: 600px;
  margin: auto;
}

.tour-cta .actions, .changelog-cta .actions {
  justify-content: center;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.guide-card {
  padding: 24px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  border-color: var(--border-strong);
}

.guide-card small {
  font-size: 11px;
  font-weight: 700;
  color: var(--blue-brand-light);
  text-transform: uppercase;
}

.guide-card h3 {
  margin: 8px 0;
}

.guide-card p {
  font-size: 14px;
  margin-bottom: 16px;
}

.guide-card b {
  margin-top: auto;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-brand-light);
}

/* Responsive */
@media (max-width: 900px) {
  .nav nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-strong);
    flex-direction: column;
    padding: 18px 24px;
    align-items: stretch;
  }
  .nav nav.open {
    display: flex;
  }
  .menu {
    display: block;
  }
  .benefit-grid, .guide-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .workflow-detail-panel, .split-section, .pricing, .faq, .cta-inner, .mobile-band, .tour-step {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-main {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .changelog-wrap {
    grid-template-columns: 1fr;
  }
  .changelog-wrap aside {
    position: static;
  }
}

@media (max-width: 600px) {
  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .actions {
    flex-direction: column;
    align-items: stretch;
  }
  .actions .btn {
    width: 100%;
  }
  .footer-columns {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 10px;
  }
}
